"Frame Arms Girl: Kyakkyau Fufu na Wonderland" is a two-episode OVA that serves as a spin-off to the "Frame Arms Girl" series. The story centers on Ao Gennai, a high school girl who becomes the caretaker of Frame Arms Girls, humanoid robots with unique personalities and abilities. In this installment, Ao and the Frame Arms Girls—Gourai, Stylet, Baselard, Materia, and Architect—are transported to a mysterious, dreamlike world reminiscent of "Alice in Wonderland." The setting is filled with surreal landscapes and whimsical challenges, creating a playful yet unpredictable atmosphere.

The narrative unfolds as Ao and the Frame Arms Girls navigate this strange world, encountering bizarre characters and situations that test their teamwork and problem-solving skills. Each Frame Arms Girl exhibits distinct traits: Gourai is a disciplined and reliable leader, Stylet is energetic and competitive, Baselard is calm and analytical, Materia is cheerful and optimistic, and Architect is mischievous and inventive. Their interactions and dynamics drive much of the story, blending humor and lighthearted moments with occasional tension as they face the peculiar trials of the Wonderland-inspired environment.

The OVA maintains a focus on the bond between Ao and the Frame Arms Girls, emphasizing their growth and camaraderie as they work together to overcome obstacles and find a way back to their own world. The whimsical setting allows for creative scenarios that highlight the unique abilities and personalities of each character, while also providing a fresh and entertaining departure from the main series. The tone remains light and accessible, with a mix of adventure, comedy, and mild fantasy elements that appeal to fans of the franchise and newcomers alike.